midterm2_11a

Midterm2_11a - Yellow Name Phy9A-C Midterm 1 Page 1 of 3 Cole-UCDavis Physics 9A-C Midterm 2 last 4 ID

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Unformatted text preview: Yellow Name: Phy9A-C, Midterm 1 Page 1 of 3 Cole-UCDavis Physics 9A-C Midterm 2 last 4 ID: May 20, 2011 Put
your
name
on
all
pages
of
the
exam.

 There
are
five
problems
(20
points
each)
on
three
pages.

Work
problems
on
these
pages.

Except
 for
problem
#1,
no
credit
will
be
given
for
answers
without
work.

Answers
must
have
correct
 units.

Remember
that
the
grader
must
be
able
to
understand
your
solution
to
give
you
partial
 credit;
therefore,

explain
your
solutions
clearly
and
intelligently.

Incomprehensible
work
will
 receive
no
partial
credit.

Good
Luck! [1]

Circle
the
answer
that
correctly
completes
the
sentence. a)

Linear
momentum
is
conserved
only
when
(
Í
F√

=

0
|
energy
is
conserved
|
 only
conservative
forces
act
|

all
of
the
above
|
none
of
the
above
). b)

Potential
energy
can
(
always
|
sometimes
|
never
)
be
defined
for
a
kinetic
friction
force. c)

The
condition
for
mechanical
equilibrium
of
a
rigid
body
is
(
Í F√ 
=
0
|
Í †√ 
=
0
|
both
of
the
 above
|
none
of
the
above)
. d)

The
work
done
by
force
 F 
is
the
area
under
the
 F 
versus
(
time
|
position
|
all
of
the
above
|
 none
of
the
above
)
curve.none
of
the
above
)
curve....
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This note was uploaded on 09/28/2011 for the course PHY 9A taught by Professor Svoboda during the Spring '08 term at UC Davis.

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Midterm2_11a - Yellow Name Phy9A-C Midterm 1 Page 1 of 3 Cole-UCDavis Physics 9A-C Midterm 2 last 4 ID

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